请问有做过关于matlab教室人数统计这方面的吗?指导一下吧

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请问有做过关于matlab教室人数统计这方面的吗?指导一下吧

xixihahaheihei

头发区域面积应该在一定范围内  衣服区域应该很大 所以区域面积在一定范围内看做是人头 否则就去除可以用regionprops内的area去判断  同时加上长短轴 这里贴一个简单例子

6 V' t) ~7 K: v/ z
8 Y; O* }2 Q7 w' [0 aclc; clear all; close all;
I = imread('c:\\ce.jpg');
4 ]) m1 x9 e$ K9 ?4 OI1 = rgb2gray(I);
6 s5 I4 q& G0 Y2 H% B! Obw1 = im2bw(I1, graythresh(I1));
8 u9 e" G& b  _) B9 xbw1 = ~bw1;
bw2 = imopen(bw1, strel('disk', 10));
0 C  G+ [1 W9 Y; Pbw2 = bwareaopen(bw2, 500);
bw3 = bwareaopen(bw2, 1000);
' L2 e- M7 |) \6 e* @' `* @bw4 = bw2.*(~bw3);
[L, num] = bwlabel(bw4);
Lrgb = label2rgb(L, 'jet', 'w', 'shuffle');
figure;
subplot(3, 2, 1); imshow(I)
subplot(3, 2, 2); imshow(I1)
6 }  |3 `7 C. R4 \/ ^subplot(3, 2, 3); imshow(bw1)
) i! G1 p% H8 y* ?& Rsubplot(3, 2, 4); imshow(bw2)
subplot(3, 2, 5); imshow(bw4)
8 m" A; g# V9 f/ q0 Hsubplot(3, 2, 6); imshow(I)
( s* }4 \4 ]) ]hold on;
himage = imshow(Lrgb);
set(himage, 'AlphaData', 0.5);